#!/usr/bin/python

points = input("Please Enter the Student's Grade: ")

def main(number):
	if number == 5:
		print 'Your grade is an "A"'
	if number == 4:
		print 'Your grade is a "B"'
	if number == 3:
		print 'Your grade is a "C"'
	if number == 2:
		print 'Your grade is a "D"'
	if number <= 1:
		print 'Your grade is an "F"'

main(points)
